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|a Charleston Case Study |h [electronic resource]. |
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|a Greenhouse Effect, Sea Level Rise, and Coastal Wetlands: Chapter 2. |
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|a Please contact the owning institution for licensing and permissions. It is the user's responsibility to ensure use does not violate any third party rights. |
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|a This chapter examines the potential impact of future sea level rise on coastal wetlands in the area of
Charleston, South Carolina, for the year 2075. We investigate the hypothesis from Chapter I that a
generally concove marsh profile implies that a rise in sea level would cause a net loss of wetlands. The
chapter builds upon previous EPA studies that had assessed the potential physical and economic impacts
of sea level rise on the Charleston area.
We surveyed twelve wetland transacts to determine elevations of particular parts of the marsh,
frequency of flooding, and vegetation at various elevations. From these transacts, me developed a
composite transect representing an average profile of the area. Using this informa- tion and estimates of
the sediment provided by nearby rivers, me then estimated the shifts in wetland communities and net
loss of marsh acreage associated with three possible scenarios of sea level rise for the year 2075: (1) the
current trend, which implies a rise of 24 cm (0.8 ft), relative to the subsiding coast of Charleston; (2) a
low scenario of 87 cm (3.0 R); and (3) a high scenario of a 159-cm rise (5.2 ft).1
We examine background information concerning global warming and future sea level rise, the
ecological balance of coastal wetlands, and the potential transformation of these ecosystems as sea level
rises. Next, we examine the wetlands in the Charleston study area and describe a field study in which we
developed wetland transacts. Finally, we discuss the potential impact of future sea level rise on
Charleston's wetlands, and suggest ways to improve our ability to predict the impact of sea level rise on
other coastal wetlands. |
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|a Electronic reproduction. |c Florida International University, |d 2015. |f (dpSobek) |n Mode of access: World Wide Web. |n System requirements: Internet connectivity; Web browser software. |
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|a dpSobek |c Sea Level Rise |
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|u http://dpanther.fiu.edu/dpService/dpPurlService/purl/FI15061911/00001 |y Click here for full text |
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|a http://dpanther.fiu.edu/sobek/content/FI/15/06/19/11/00001/Kana et al_1988_Charleston case studythm.jpg |
